Answer:
The mean point is 459
Step-by-step explanation:
We use the formula:
Evelyn's points per pinball game are normally distributed with a standard deviation of 18 points.
This means:
From the question, the standard deviation of 405 points is -3.
We substitute x=405, and z=-3 to get:
Multiply through by 18 to get:
Divide through by -1
Answer:
$107.40
for the second one i want to say 15%
Step-by-step explanation:
Answer:
_3×4=4×_3=-12,pardon me if I am wrong I am just a beginner ❤
Answer:
each of them 2 balloons
hope this helps
Step-by-step explanation:
You have multiply the first numbera and then add the exponents since you are multiplying. The answer is 8.8 x 10^9